28136356146098 has 18 divisors (see below), whose sum is σ = 43016478783159. Its totient is φ = 13802545711552.

The previous prime is 28136356146013. The next prime is 28136356146131. The reversal of 28136356146098 is 89064165363182.

It can be written as a sum of positive squares in 5 ways, for example, as 27986395907089 + 149960239009 = 5290217^2 + 387247^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3750757.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28136356146098.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 397544858 + ... + 397615626.

Almost surely, 2^{28136356146098} is an apocalyptic number.

28136356146098 is a deficient number, since it is larger than the sum of its proper divisors (14880122637061).

28136356146098 is an frugal number, since it uses more digits than its factorization.

28136356146098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141646 (or 70824 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 28136356146098 in words is "twenty-eight trillion, one hundred thirty-six billion, three hundred fifty-six million, one hundred forty-six thousand, ninety-eight".